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The structure is accomplished by arraying the quantum dots between the conventional P+ and N+ emitter, as showed in Fig. 2 [11].
Fig. 1 Basic concept of IBSC Fig. 2 Schematic structure of QDIBSC Present Status of QDIBSC Research Although power efficiencies >60% have been predicted for idealized QDIBSC, this goal hasn’t been realized mainly for two reasons: nonideal circumstance that results in charge trapping, and the lack of an optimal materials combination.
Ermer, “Thermophotovoltaic energy conversion for space,” Journal of physical chemistry C 112 (21) (2008) 7841-7845 [9] A.
Luque, “Novel semiconductor solar cell structures: The quantum dot intermediate band solar cell,” Thin Solid Films 511 (2006) 638-644

In the α-ZnMoO4 triclinic structure, all zinc atoms are bonded to six oxygen atoms, forming the distorted octahedral [ZnO6] clusters.
On the other hand, the β-ZnMoO4 monoclinic structure has both Zn and Mo atoms bonded to six oxygen atoms, which promote the origin of distorted octahedral [ZnO6]/ [MoO6] clusters, respectively [19].
These peaks are indexed to crystalline structure of β-ZnMoO4 (JCPDS card no. 25-1024), corresponding to the indices of crystalline planes respectively [5].
[17] Ullmann’s Encyclopedia of Industrial Chemistry (sixth edition).

Numerical Simulation for Heat Storage Study of the Microencapsulated Phase Change Material Slurry in A Horizontal Rectangular Enclosure Yanlai Zhang1,2 , Zhonghao Rao2,c , Jiefei Xie1,d , Hong Zhang1,e , Shuangfeng Wang2,f 1College of Mechanical &electrical Engineering, Central South University of Forestry and Technology, Changsha, Hunan, China, 410004 2School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, Guangdong, China 510640 aylzhang2008@yahoo.com.cn, bylzhang2008@sohu.com, cr.zhonghao@mail.scut.edu.cn, d nhxiejf@126.com, e hngfq@sina.com, ffwang@scut.edu.cn Keywords:latent heat storage, PCM slurry, non-Newtonian fluid, rectangular enclosure, numerical simulation Abstract.Two-dimensional numerical simulation of heat storage characteristics in a horizontal rectangular enclosure heated from below by natural convection has been investigated with the microencapsulated phase change material (PCM) slurry.
The present physical model was considered as a two-dimensional flow model structure in a horizontal rectangular enclosure of width W and height H, which was filled with a kind of power law non-Newtonian microencapsulated PCM slurry.
It is in the center of symmetrical structure.
And then it decreases monotonically to zero with the heat storage time increase. 3) The streamlines is in the center of symmetrical structure at end of heat storage for the microencapsulated PCM slurry.

Most polycrystalline metals are initially fabricated by freezing vapors/liquids into solid structures, which are composed of a myriad of crystallite grains with varying orientations where interfaces between the grains are known as grain boundaries.
Post-solidification grain growth is used to tailor properties by controlling the grain-boundary structures that influence the performance of materials.
Hydrogen sulfide (H2S) gas in argon was used for a systematic investigation of the annealing parameters that control surface reactions and chemistry.
OIM also provides a quantitative means of assessing grain boundary structure, described by Euler angles that represent a sequence of three elemental rotations that will bring the sample reference frame (S) into coincidence with the crystal reference frame (C), i.e. rotations about the axes of a coordinate system; j1 about the [001] Z axis, F about the new [100] X axis and j2 about the new [001] Z axis.

Turbine engine manufacturers produce polycrystalline disk alloys with well-controlled chemistry, grain structure, and mechanical properties in order to extend operational lifetimes and increase engine efficiency[1-3].
However, the complications of grain structure control and its resultant influence on design and processing of disk materials makes optimization of current and new disk materials time consuming and expensive.
By using a commercial apparat ures for EBSD measurements, it is possible to measure the crystal orientations, for example, grain boundary structure, grain boundary energy, misorientation and grain orientation, of more than 200 points per second by scanning the surface of samples and to obtain mapping data of crystal orientations without difficulty.

The PUI structure comprises alternating hard block of aromatic imide framed by urethane groups and flexible blocks of aliphatic polyester.
However, the hard and flexible blocks thermodynamic incompatibility in such systems promotes a domain structure formation.
Changes in the glass transition and melting temperatures with varying chemical structure and composition of PUI systems are determined by the phases separation and interaction.
Tomohiro Ueda, Shin-Ichi Inoue, Open Journal of Polymer Chemistry, 2018, 8, 11-20

Facile Synthesis of Multifunctional Nanocomposites with Tunable Luminescent and Magnetic Properties Guang Jia1a, Cuimiao Zhang1b, Shiwen Ding1c, Kewei Yin1d, Xiaogang Cao1e and Xingbang Song1f 1College of Chemistry and Environmental Science, Hebei University, Baoding 071002, P.
Most of the luminescent and magnetic nanocomposites are core–shell structures with the great majority of emitters being either quantum dots (QDs) or organic dyes.
The formation of the core–shell structured composites is conventionally followed by an encapsulation process.
The luminescent materials in general, organic dyes [3] or CdSe/ZnS QDs [4] are either attached, or form part of the shell, resulting in the formation of the core–shell structured materials with luminescent and magnetic properties.

The phase structure, microstructures, ferroelectric and dielectric properties of BLFSO films were investigated.
From this, we conclude that the basic crystal structure of BLFO has not been affected by the incorporation of the Sc3+ ions and Sc is not remaining isolated in the matrix of the compound but enters the lattice.
BLFSO thin films show a uniform grain structure with a mean grain size of 80–100 nm.
Hill: Journal of Physical Chemistry B Vol. 104 (2000), p. 6694 [3] X.

The resulting geopolymer solid is semi-crystalline with a three-dimensional structure consisting of repeating units of polysialate (Si–O–Al), siloxo polysialate (Si–O–Al–O–Si), ferrosialate (Fe–O–Si–O–Al), silicophosphate (Si–O–P), aluminophosphate (Al–O–P), silico aluminophosphate (Si–O–P–O–Al), ferro-silico aluminophosphate (Fe–O–P–Si–O–Al–O–P) [5][6].
In essence, the reaction mechanism of the alkaline activated geopolymer consists of dissolution-precipitation during which there is alkaline hydrolysis of the Si–O and Al–O bonds, the chemistry of the geopolymer depends mainly on the type of aluminosilicate used and the composition of the alkaline activators or the acid solution.
The approach is to use the volcanic tuff, abundant material on the Khapia hill, to create a geopolymeric binder with characteristics similar to that used in the construction of the enigmatic andesite structures at Pumapunku, Bolivia [9][10].
Research on the volcanic tuff from the Khapia hill as a possible component of the geopolymer in the Pumapunku structures is important because of its potential to revolutionize our understanding of the technology of the Tiawanaku culture and provide sustainable alternatives to Portland cement.

Many experiments' result indicate that there are many factors (including design of electronic structures, outside loads, the shape of chip, the location of chip, the shape of solder joint, the location of solder joint and etc) effecting the SMT fatigue, although the solder joint is in the condition of normal temperature and lower vibration acceleration.
During the sample inspection by SEM, energy dispersive X-Ray (EDX) analysis was also carried out to identify the chemical composition of the intermetallic compound and the grain-like structures in the solder joint.
Material Chemistry and Physics (2004),p. 87
International journal of solids and structures. 40 (2003),p.7315-7327.